BoilerFaultCodes 228 V High
Boiler Fault Code 228 V
Also written as 228V — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 228 V appears across 1 boiler brand and 10 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler thinks it can see a flame even though it hasn't started the ignition process yet, which prevents it from running for safety reasons. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 228 V fix
Source
Information for the 228 V fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026